1 #ifndef U_DUAL_BLEND_H 2 #define U_DUAL_BLEND_H 3 4 #include "pipe/p_state.h" 5 util_blend_factor_is_dual_src(int factor)6static INLINE boolean util_blend_factor_is_dual_src(int factor) 7 { 8 return (factor == PIPE_BLENDFACTOR_SRC1_COLOR) || 9 (factor == PIPE_BLENDFACTOR_SRC1_ALPHA) || 10 (factor == PIPE_BLENDFACTOR_INV_SRC1_COLOR) || 11 (factor == PIPE_BLENDFACTOR_INV_SRC1_ALPHA); 12 } 13 util_blend_state_is_dual(const struct pipe_blend_state * blend,int index)14static INLINE boolean util_blend_state_is_dual(const struct pipe_blend_state *blend, 15 int index) 16 { 17 if (util_blend_factor_is_dual_src(blend->rt[index].rgb_src_factor) || 18 util_blend_factor_is_dual_src(blend->rt[index].alpha_src_factor) || 19 util_blend_factor_is_dual_src(blend->rt[index].rgb_dst_factor) || 20 util_blend_factor_is_dual_src(blend->rt[index].alpha_dst_factor)) 21 return true; 22 return false; 23 } 24 25 26 #endif 27